January 21, 2009
Washburn & Doughty books order for Intercon tug
As East Boothbay, Maine, shipbuilder Washburn & Doughty Associates, Inc. continues its recovery from last July's devastating fire, long time customer Moran Towing Corporation has awarded it a contract to build a 121 ft x 36 ft x 18 ft Intercon tug (Hull 98).
Designed by Ocean Tug & Barge Engineering Corp., Hull 98 will be the fourth vessel built by the yard to this design. Pati R. Moran and Linda Moran are already in service and Lois Ann L. Moran is scheduled for delivery in the third quarter 2009.
The vessel is being surveyed by the American Bureau of Shipping and will be Classed + A1 Towing Service and +AMS, with an international load line. It will comply with all applicable SOLAS regulations.
The tug will have an Intercon C series coupler outfitted with 34 inch diameter rams; hydraulic tensioning; port and starboard hydraulic power units; motor control center; logic/control panel; and two touch screen station remote controls.
Power will be provided by two EMD 12-710G7C-T2 main engines each rated at 2,550 BHP at 800 RPM and outfitted with Lufkin model RHS2500HG reverse reduction gears. Nominal gear ratio is 4:1.
Specifications call for ABS grade 2, 10-inch diameter steel shafts, and Rolls Royce New Generation Workwheel, 5-blade, 115 in diameter, stainless steel propellers.
Markey capstans will be located on the fore and aft decks. A CEWP-90, 27 in diameter, 40 hp electric capstan will be located aft. With a rated pull of about 60,000 lb at 40 ft/minute, it will be capable of withstanding 300,000 lb static pull. A CEW-60, 15 hp electric capstan will be located forward and will have a rated pull of about 30,000 lb at 30 ft/min.